Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC8POQ callsign genealogy
Currently held by Karczewski, James W
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KC8POQ's current licensee, walking backwards.
- Karczewski, James WMIgranted 2000-10-12cancelled 2000-10-18
Successor callsigns
Callsigns held now by people who previously held KC8POQ.
No current licensee on record previously held this callsign.